Within 90 days, Buyers can leave feedback after ordering.
Buyers can remove feedback within 60 days after the feedback is created. Most third-party seller feedback can't be edited, only removed. Once you have removed feedback for a third-party seller, the buyers won't be able to post new feedback for that third-party seller transaction.
Feedback removal requests must still meet all other eligibility criteria to be considered for removal.
To learn more about managing your feedback, visit https://sellercentral.amazon.com/gp/help/761.
To learn more about feedback removal regulation，
After 90 days, BQool will automatically mark neutral and negative feedback as Unresolved.